<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="text" placeholder="请输入1-100之间的整数" >
<input type="button" value="猜" onclick="f()">
<h3>
    结果：<span></span>
</h3>
<script>
    let x=parseInt(Math.random()*100)+1;
    let i=document.querySelector("input");
    let s=document.querySelector("span");
    let num=0;
    function f() {
        num++;
        if(i.value>x){
            s.innerText="猜大了";
        }else if(i.value<x){
            s.innerText="猜小了";
        }else {
            s.innerText="猜对了,本次进行了"+num+"轮次"
            num=0;
        }
    }
</script>
</body>
</html>